.nav{
    font-size: 2.4rem;
    width: 100%;
    height: 80px;
    background-color:#2F4F4F;
    line-height: 80px;
    text-align: center;
    color: #fff;
}
.row>div{
    height: 200px;
}
.row{
}
.lb{
    border:1px solid #fff;
    height: 30px;
    font-size: 2rem;
    text-align: center;
}
.lb>a{
    display: inline-block;
    margin-top: 20px;
    text-decoration: none;
}
.lb>a:hover{
    text-decoration: none;
}
.row>div span{
    display: inline-block;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: powderblue;
}
img{
    display: inline-block;
    width: 70%;
    height: 70%;
    margin-top: 12px;
}
